Granted Patent
Utility
US 6,788,439 · App. 09/750,354
Dual transmissive/reflective image scanning apparatus with protective apparatus
Inventors:
Jih-Yung Lu, Jung-Ying Tu
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Dec 29, 2000
Inventors
Jih-Yung Lu
Jung-Ying Tu
Assignee (at issue)
BenQ Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.